Finding the Fourth Proportional to 12,769.24, 17,619.78 and 7,103.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,769.24 : 17,619.78 = 7,103.56 : x
2. Step 2: Convert to fraction form
   12,769.24/17,619.78 = 7,103.56/x
3. Step 3: Cross multiply
   12,769.24x = 17,619.78 × 7,103.56
4. Step 4: Simplify right side
   12,769.24x = 125,163,164.42
5. Step 5: Solve for x
   x = 125,163,164.42/12,769.24
6. Step 6: Final answer
   x = 9,801.93